Dr. Thomas D. Steele, Principal Toxicology Consultant

Nonclinical Safety & Regulatory Toxicology Consulting

As a leading toxicology consultant, I support pharmaceutical and biotech teams—and the nonclinical programs they rely on—by strengthening regulatory alignment, clarifying data interpretation, and identifying safety and development risks early. With deep experience as a former FDA Pharmacology/Toxicology reviewer and senior industry toxicologist, I provide clear scientific guidance, practical regulatory insight, and strategic support to help organizations meet modern regulatory expectations with confidence.

Comprehensive Toxicology Consulting Services

Nonclinical Safety Solutions (NCSS) provides senior-level nonclinical safety strategy and expert toxicology consulting to support pharmaceutical and biotech programs across the development lifecycle. NCSS focuses on scientific interpretation, regulatory alignment, and defensible decision-making rather than routine execution.

Our services include strategic toxicology planning , IND/CTA submission support , preclinical study strategy and oversight , regulatory strategy and risk assessment , and independent safety evaluations from early discovery through regulatory submission.

Drawing on prior FDA review experience and more than 25 years in industry, NCSS helps development teams navigate complex nonclinical safety requirements with clarity, precision, and confidence—anticipating regulatory expectations and reducing downstream risk. For programs involving complex modalities, see specialized toxicology strategies for oncology, biologics, and advanced modalities .

Available for short-term advisory, long-term partnerships, and complex regulatory projects.

Our Expertise

Nonclinical Safety Strategy & Expert Toxicology Consulting

Precision toxicology guidance to design, evaluate, and strengthen nonclinical safety programs from early development through clinical entry, grounded in scientific interpretation and regulatory alignment.

Due Diligence Reviews, Impurity Assessments & Safety Liability Identification

Independent scientific diligence to identify safety liabilities, evaluate impurity risk, and inform confident, data-driven development and investment decisions.

Preclinical Study Planning, Design & GLP / Non-GLP Oversight

Strategic study planning and expert scientific oversight to ensure nonclinical programs are well-designed, appropriately scoped, and fully aligned with regulatory expectations.

Regulatory Strategy, Risk Assessment & Gap Resolution

Proactive regulatory insight to identify risks early, address critical data gaps, and build a defensible nonclinical strategy that supports efficient agency interactions.

Regulatory Submission Authoring for IND, NDA, BLA & MAA

Clear, cohesive, regulator-ready nonclinical narratives developed with direct insight into how FDA and global health authorities evaluate safety data.

Safety Pharmacology, ADME & PK / TK Interpretation

Integrated interpretation of pharmacology, ADME, and PK/TK data to support exposure-based safety justifications, starting-dose rationale, and clinical translation.

Specialized Toxicology Strategies for Oncology, Biologics & Advanced Modalities

Tailored nonclinical safety strategies addressing the unique challenges of oncology programs, biologics, imaging agents, and other complex therapeutic modalities where standard approaches may not apply.

Why Work With a Dedicated Toxicology Consultant?

Nonclinical development programs face increasing regulatory scrutiny. A dedicated toxicology consultant provides senior scientific judgment and regulatory insight to identify risk early and support defensible, regulator-aligned development decisions.

  • 30+ years of combined FDA and industry toxicology experience
  • Senior-level scientific guidance, not just reports
  • Clear communication grounded in regulatory expectations
  • Available for short-term advisory support, long-term partnerships, or complex regulatory projects
Dr. Thomas D. Steele, Principal Toxicology Consultant

Dr. Thomas D. Steele

Principal Toxicology Consultant

Dr. Thomas D. Steele — Founder & Principal Toxicology Consultant

Dr. Thomas D. Steele is a veteran toxicologist with over 25 years of combined industry and FDA experience, specializing in nonclinical safety evaluation and regulatory strategy. He has led toxicology programs across major pharmaceutical organizations and provides senior scientific guidance to help clients design, interpret, and defend their nonclinical development plans.

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